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blagie [28]
3 years ago
7

M<9= 6x and m<11=120. Find the value of x so that line c is parallel to line d.

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0

Answer:

The value of x is 20°

Step-by-step explanation:

we know that

m∠ 9 and m∠ 11 are corresponding angles

If line c is parallel to line d

then

m∠ 9 = m∠ 11

Substitute

6x=120°

x=20°

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